📄 test1.lst
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C51 COMPILER V8.02 TEST1 04/06/2008 15:54:51 PAGE 1
C51 COMPILER V8.02, COMPILATION OF MODULE TEST1
OBJECT MODULE PLACED IN test1.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE test1.c BROWSE DEBUG OBJECTEXTEND
line level source
1 /***************************************************************
2 * Drscription : TFT Lcd demo
3 * Driver : ILI9320 or compatible
4 * MCU : stc89LE52
5 * Voltage : 3.3V
6 * Interface : 16bits parallel interface
7 *
8 ***************************************************************
9 *
10 * Author : zjq in ShenZhen
11 * Data : 04-06-08
12 * Email : Crazyzjq@126.com
13 * History : Spi works well,but it's so slow
14 ***************************************************************/
15
16 #include "stdio.h"
17 #include "reg51.h"
18
19 #define DATA_L P2
20 #define DATA_H P1
21
22 #define _SPI 0
23
24 //for SPI
25 #ifdef _SPI
26 sbit CS = P1^1;
27 sbit DI = P1^4;
28 sbit DO = P1^0;
29
30 sbit CLK = P1^2;
31 sbit RST = P1^3;
32 #else
//for 16bits
sbit CS = P3^3;
sbit RST = P3^5;
sbit RS = P3^4;
#endif
38
39 /**************************************************************************
40 *
41 * Just for SPI to write a byte to Lcd
42 *
43 ***************************************************************************/
44 #ifdef _SPI
45 void LCD_WriteByte(unsigned char dat)
46 {
47 1 unsigned char i;
48 1
49 1 for(i=0;i<8;i++)
50 1 {
51 2 CLK = 0;
52 2 dat<<=1;
53 2 DI = CY;
54 2 CLK = 1;
55 2 }
C51 COMPILER V8.02 TEST1 04/06/2008 15:54:51 PAGE 2
56 1 }
57 #endif
58
59 #define START_BYTE 0x70
60 #define SET_INDEX 0x00
61 #define READ_STATUS 0x01
62 #define WRITE_REG 0x02
63 #define READ_REG 0x03
64
65
66 void LCD_WriteRegIndex(unsigned char index) /* Select GRAM Reg */
67
68 {
69 1 CS = 0;
70 1 LCD_WriteByte(START_BYTE|SET_INDEX);//for register index
71 1 LCD_WriteByte(0); //lower byte first
72 1 LCD_WriteByte(index);
73 1 CS = 1;
74 1
75 1 }
76
77 /****************************************************************************
78 *
79 * Write a byte to register index and the parameter to
80 * the register
81 *
82 ****************************************************************************/
83 void LCD_WriteReg(unsigned char index,unsigned int val)
84 {
85 1
86 1 #ifdef _SPI
87 1 LCD_WriteRegIndex(index);
88 1
89 1 CS = 0;
90 1 LCD_WriteByte(START_BYTE|WRITE_REG);
91 1 LCD_WriteByte(val>>8);
92 1 LCD_WriteByte(val&0xff);
93 1 CS = 1;
94 1
95 1 #else
CS = 0;
RS = 0;
DATA_L = index; //low
DATA_H = 0;
WR = 0;
WR = 1;
RS = 1;
DATA_L = (unsigned char)val; //low
DATA_H = (unsigned char )(val>>8);
WR = 0;
WR = 1;
CS = 1;
#endif
110 1 }
111
112 /****************************************************************************
113 *
114 * command for Write data
115 *
116 *****************************************************************************/
117 void Lcd_Write_Start()
C51 COMPILER V8.02 TEST1 04/06/2008 15:54:51 PAGE 3
118 {
119 1 #ifdef _SPI
120 1 LCD_WriteRegIndex(0x22); /* Select GRAM Reg */
121 1 CS = 0;
122 1 LCD_WriteByte(START_BYTE|WRITE_REG);
123 1 #else
CS = 0;
RS = 0;
DATA_L = 0x22;
DATA_H = 0x00;
WR = 0;
WR = 1;
RS = 1;
#endif
132 1 }
133
134 /****************************************************************************
135 *
136 * Write one word to Lcd
137 *
138 *****************************************************************************/
139 void LCD_WriteData(unsigned int val)
140 {
141 1
142 1 #ifdef _SPI
143 1 // Lcd_Write_Start();
144 1 LCD_WriteByte(val>>8);
145 1 LCD_WriteByte(val&0xff);
146 1 #else
DATA_L = (unsigned char)val;
DATA_H = (unsigned char)(val>>8);
WR = 0;
WR = 1;
#endif
153 1 }
154
155 void Lcd_Write_End()
156 {
157 1 CS = 1;
158 1 }
159
160
161 void delay(unsigned int n)
162 {
163 1 unsigned int i;
164 1
165 1 for(i=0;i<n;i++);
166 1 }
167
168 void Lcd_Init()
169 {
170 1 RST = 0;
171 1 delay(2000);
172 1 RST = 1;
173 1 delay(2000);
174 1
175 1 LCD_WriteReg(0xe5, 0x8000); /* Set the internal vcore voltage */
176 1 LCD_WriteReg(0x00, 0x0001); /* Start internal OSC. */
177 1 LCD_WriteReg(0x01, 0x0100); /* set SS and SM bit */
178 1 LCD_WriteReg(0x02, 0x0700); /* set 1 line inversion */
179 1 LCD_WriteReg(0x03, 0x1230); /* set GRAM write direction */
C51 COMPILER V8.02 TEST1 04/06/2008 15:54:51 PAGE 4
180 1
181 1 LCD_WriteReg(0x04, 0x0000); /* Resize register */
182 1 LCD_WriteReg(0x08, 0x0202); /* set the back porch and front porch */
183 1 LCD_WriteReg(0x09, 0x0000); /* set non-display area refresh cycle ISC[3:0] */
184 1 LCD_WriteReg(0x10, 0x0000); /* FMARK function */
185 1
186 1 LCD_WriteReg(0x0c, 0x0000); /* RGB interface setting */
187 1 LCD_WriteReg(0x0d, 0x0000); /* Frame marker Position */
188 1 LCD_WriteReg(0x0f, 0x0000); /* RGB interface polarity */
189 1
190 1 /* Adjust the Gamma Curve ----------------------------------------------------*/
191 1 LCD_WriteReg(0x50, 0x0000);
192 1 LCD_WriteReg(0x51, 0x00ef);
193 1 LCD_WriteReg(0x52, 0x0000);
194 1 LCD_WriteReg(0x53, 0x013f);
195 1 LCD_WriteReg(0x60, 0x2700);
196 1 LCD_WriteReg(0x61, 0x0001);
197 1 LCD_WriteReg(0x6a, 0x0000);
198 1
199 1 /* Set GRAM area -------------------------------------------------------------*/
200 1 LCD_WriteReg(0x80, 0x0000);/* Horizontal GRAM Start Address */
201 1 LCD_WriteReg(0x81, 0x0000);/* Horizontal GRAM End Address */
202 1 LCD_WriteReg(0x82, 0x0000);/* Vertical GRAM Start Address */
203 1 LCD_WriteReg(0x83, 0x0000);/* Vertical GRAM End Address */
204 1
205 1 /* Power On sequence ---------------------------------------------------------*/
206 1 LCD_WriteReg(0x10, 0x17b0);
207 1 LCD_WriteReg(0x11, 0x0004);
208 1 delay(50);
209 1 LCD_WriteReg(0x12, 0x013e);
210 1 delay(50);
211 1 LCD_WriteReg(0x13, 0x1f00);/* Frame marker Position */
212 1 LCD_WriteReg(0x29, 0x000f);
213 1 delay(50);
214 1
215 1 LCD_WriteReg(0x32, 0x0000); /* GRAM horizontal Address */
216 1 LCD_WriteReg(0x33, 0x0000); /* GRAM Vertical Address */
217 1
218 1 LCD_WriteReg(0x07, 0x0173); /* 262K color and display ON */
219 1
220 1 }
221
222 void Lcd_test()
223 {
224 1 unsigned int i,j;
225 1 Lcd_Write_Start();
226 1 for(i=0;i<320;i++)
227 1 for(j=0;j<240;j++)
228 1 {
229 2 if(i>279)LCD_WriteData(0x0000);
230 2 else if(i>239)LCD_WriteData(0x001f);
231 2 else if(i>199)LCD_WriteData(0x07e0);
232 2 else if(i>159)LCD_WriteData(0x07ff);
233 2 else if(i>119)LCD_WriteData(0xf800);
234 2 else if(i>79)LCD_WriteData(0xf81f);
235 2 else if(i>39)LCD_WriteData(0xffe0);
236 2 else LCD_WriteData(0xffff);
237 2 }
238 1 Lcd_Write_End();
239 1 }
240
241
C51 COMPILER V8.02 TEST1 04/06/2008 15:54:51 PAGE 5
242 void main()
243 {
244 1 Lcd_Init();
245 1 Lcd_test();
246 1 while(1);
247 1 }
MODULE INFORMATION: STATIC OVERLAYABLE
CODE SIZE = 533 ----
CONSTANT SIZE = ---- ----
XDATA SIZE = ---- ----
PDATA SIZE = ---- ----
DATA SIZE = ---- ----
IDATA SIZE = ---- ----
BIT SIZE = ---- ----
END OF MODULE INFORMATION.
C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)
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